Update README.md

README.md

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 <a name="readme-top"></a>
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 # VEHICLE INFO CARD
+[![Validate](https://github.com/ngocjohn/vehicle-info-card/actions/workflows/validate.yaml/badge.svg)](https://github.com/ngocjohn/vehicle-info-card/actions/workflows/validate.yaml)
 
 ## Home Assistant Custom Card for Mercedes Vehicles
 
@@ -158,4 +158,7 @@ Below is the configuration replaced entities card for `Vehicle status` button.
 
 [https://github.com/ngocjohn/](https://github.com/ngocjohn/)
 
+<a href="https://buymeacoffee.com/ngocjohn" target="_blank"><img src="https://www.buymeacoffee.com/assets/img/custom_images/orange_img.png" alt="Buy Me A Coffee" style="height: 48px !important;width: 174px !important;box-shadow: 0px 3px 2px 0px rgba(190, 190, 190, 0.5) !important;-webkit-box-shadow: 0px 3px 2px 0px rgba(190, 190, 190, 0.5) !important;" ></a>
+
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 <p align="right">(<a href="#readme-top">back to top</a>)</p>